Home / 190,753.50-286,181.28-66,094.50

Finding the Fourth Proportional to 190,753.50, 286,181.28 and 66,094.50

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Solution

The fourth proportional to 190,753.50, 286,181.28 and 66,094.50 is: 99,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,753.50 : 286,181.28 = 66,094.50 : x
  2. Step 2: Convert to fraction form
    190,753.50/286,181.28 = 66,094.50/x
  3. Step 3: Cross multiply
    190,753.50x = 286,181.28 × 66,094.50
  4. Step 4: Simplify right side
    190,753.50x = 18,915,008,610.96
  5. Step 5: Solve for x
    x = 18,915,008,610.96/190,753.50
  6. Step 6: Final answer
    x = 99,159.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.